Dennis Staples, a radio announcer in Toledo, Ohio, slipped into a coma the day before his 60th birthday. He had been on dialysis for more than two years because of kidney failure, but had fared well with treatment. Then one day, while on dialysis at the doctor's office, Staples went into cardiac arrest. Despite a quick medical response, he never recovered.
Today, his wife Johanna attributes his death to the blood-thinner drug heparin that he received to prevent clotting during treatment.
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